659394228 has 24 divisors (see below), whose sum is σ = 1591642080. Its totient is φ = 212218720.

The previous prime is 659394209. The next prime is 659394271. The reversal of 659394228 is 822493956.

It is a happy number.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 947058 + ... + 947753.

It is an arithmetic number, because the mean of its divisors is an integer number (66318420).

Almost surely, 2^659394228 is an apocalyptic number.

It is an amenable number.

659394228 is an abundant number, since it is smaller than the sum of its proper divisors (932247852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

659394228 is a wasteful number, since it uses less digits than its factorization.

659394228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894847 (or 1894845 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The square root of 659394228 is about 25678.6726292462. The cubic root of 659394228 is about 870.3923134870.

The spelling of 659394228 in words is "six hundred fifty-nine million, three hundred ninety-four thousand, two hundred twenty-eight".